89
12
Battery and Charger
Nickel-Metal Hydride
Lithium-ion
Battery
Model
JWB2
ESB1
Type
Rechargeable Dry Battery
with built in microprocessor
Nominal output voltage
24 V
25 V
Rated output (5-hour rate)
6.7 Ah (160.8 Wh)
11.8 Ah (295 Wh)
Battery Charger
Model
ESC3
Charging method
Automatic Charging
controlled by the microprocessor
Rated output during charging
29 V · 2.6 A
29.2 V · 3 A
Chargeable battery
JWB2 *4
ESB1 *4
Charging time
Time for normal
charging
Approx. 3 hr
Approx. 4.5 hr
Time for refresh
charging
3–19 hr
—
*4 The Ni-MH battery and Li-ion battery each have a dedicated charger. The dedicated chargers are not interchangeable.